ISL8103 INTERSIL [Intersil Corporation], ISL8103 Datasheet - Page 3
ISL8103
Manufacturer Part Number
ISL8103
Description
Three-Phase Buck PWM Controller with High Current Integrated MOSFET Drivers
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
1.ISL8103.pdf
(27 pages)
- Current page: 3 of 27
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Block Diagram
COMP
RGND
VDIFF
VSEN
OFST
ISUM
REF1
REF0
IREF
DAC
REF
FB
ISEN AMP
OFFSET
DAC
x1
+150mV
x 0.82
ICOMP
OVP
OVP
UVP
x1
3
DROOP
E/A
+1V
OCSET
ISEN1
100µA
OC
∑
BALANCE
∑
CHANNEL
CURRENT
CHANNEL
CURRENT
FAULT LOGIC
SOFT-START
∑
GENERATOR
SENSE
CLOCK AND
SAWTOOTH
ISEN2
0.2V
AND
PGOOD
ISEN3
ISL8103
PWM1
PWM2
PWM3
OVP
1
N
∑
CONTROL
CONTROL
CONTROL
LOGIC
LOGIC
LOGIC
GATE
GATE
GATE
0.66V
CHANNEL
DETECT
ENLL
PROTECTION
PROTECTION
PROTECTION
POWER-ON
THROUGH
THROUGH
THROUGH
SHOOT-
SHOOT-
RESET
SHOOT-
GND
February 15, 2006
VCC
PVCC1
BOOT1
UGATE1
PHASE1
LGATE1
FS
PVCC2
BOOT2
UGATE2
PHASE2
LGATE2
2PH
3PH
PVCC3
BOOT3
UGATE3
PHASE3
LGATE3
FN9246.0
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